diff --git a/crates/libm-bench/Cargo.toml b/crates/libm-bench/Cargo.toml
index ba65dbd..b09db33 100644
--- a/crates/libm-bench/Cargo.toml
+++ b/crates/libm-bench/Cargo.toml
@@ -12,4 +12,4 @@ paste = "0.1.5"
 
 [features]
 default = []
-stable = [ "libm/stable" ]
+unstable = [ "libm/unstable" ]